Information about The EASe CD Series 1
wide array of individuals have demonstrated hypersensitivity to normal sensory
input. This sensory hypersensitivity can be tactile, visual, auditory or other.
Brain-injured children often exhibit sensory control problems. Auditory and Visual
hypersensitivity has been demonstrated by children with symptoms described as
Autistic. Often these and other brain-injured children exhibit a startle reflex
that does not abate with continuation of normal stimulus. One successful method
of desensitizing these children has been auditory stimulation in the form of transient
sounds, (wood blocks, horn bursts, etc) to randomly stimulate the auditory pathway
of the brain . The transient nature of the stimulation does not over stimulate
the child like a continuing noise might. The frequency of the stimulation eventually
builds enough information in the auditory centers of the brain to help it reach
the next stage of development in which it can control auditory startle reflexes.
Another method of response to this auditory problem has been the use of electronic
auditory stimulation. This method utilizes a machine which modifies music with
random bursts of high frequency energy to deliver auditory stimulation to the
patient. Children afflicted with auditory hypersensitivity have demonstrated positive
effects. These effects include lessoning of their auditory hypersensitivity, increased
communication and an increase of affection.
The dynamic range of the the auditory stimulation device exceeded seventy decibles, the high end performance of analog recording devices. The real story though was in the high frequency requirements ot the auditory stimulation device. During the BURST mode the device output a signal exceeding eighty decible dynamic range at twenty thousand hertz. The only medium capable of handling that kind of extreme frequency content with acceptable linearity and distortion is digital.
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